• Subtalar Implants

Futura™ Conical Subtalar Implant (CSI)

• The Futura™ Conical Subtalar Implant (CSI) is designed to facilitate correction of pathologic flatfoot deformities by blocking forward, downward and medial displacement of the talus, thus allowing normal articulation of the subtalar joint while deterring excessive pronation. The CSI is manufactured from medical grade titanium in six sizes and is supported by a procedure specific instrument set.

Features and Benefits

• Exclusive conical implant geometry accommodates the sinus tarsi anatomy, aids insertion and allows for an adjustment in blocking motion.
• Progressively softened threads are designed to minimize edge effects that may lead to pain while resisting migration.
• Fully cannulated to guide accurate insertion. Apertures allow for soft tissue in-growth.
• Supporting instrumentation features color-coded, radio-opaque trials for verification of placement.
• Six sizes with the length varying with the diameter for an anatomical fit.

Supporting Documentation

• Futura™ Conical Subtalar Implant (CSI) Brochure

• Patient's Guide to Flexible Flatfoot Correction

Indications

• 1. Calcaneal valgus deformity
  2. Plantarflexed talus
  3. Severe pronation
  4. Congenital and painful flatfoot deformity
  5. Failed correction with long term orthotic treatment
  6. Post tarsal coalition repair
  7. Supple deformity in posterior tibial tendon dysfunction
  8. Paralytic flat foot deformity
  9. Subtalar instability

Contraindications

• 1. Superstructural alignment deformities
  2. Inadequate bone stock
  3. Metal allergies
  4. Patient unable to comply with post-operative care instructions
  5. Active sepsis

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Futura™ Angled Subtalar Implant (ASI)

• The Futura™ Angled Subtalar Implant (ASI) is a one-piece, ultra-high molecular weight polyethylene implant intended to correct collapsing pes valgo planus using an arthroereisis procedure. The implant is an angled disk and peg design offered in three sizes with either a regular or thicker disk. The implant is placed into the dorsal lateral surface of the calcaneus anterior and angled such that the superior face is approximately parallel to the leading wall of the posterior facet of the talus (Austin-Flake placement). The lateral leading wall of the posterior facet of the talus contacts the superior surface of the implant to prevent excessive pronation of the subtalar joint. The device is approved to be fixed with bone cement.

Features and Benefits

• Angled articular surface to block the leading wall of the talus
• Softened edges reduce the possibility of wear particulate
• Fully cannulated to guide accurate insertion. Apertures allow for soft tissue in-growth.
• Two thicknesses in each size for an improved fit
• Color-coding facilitates surgical procedure

Supporting Documentation

• Futura ASI Brochure

• Ordering Information

Indications

• The ASI is intended to treat hyperpronated foot and stabilize the subtalar joint. It is intended to prevent forward progression of the lateral talus and also prevent adduction and depression of the talus on the calcaneus, thus reducing excessive pronation and the resulting sequela. Examples include:

• 1. Flat foot treatment in children and adolescents Congential flat foot
  2. Unsuccessful long-term orthopedic treatment (shoes, insoles…)
  3. Tarsal coalitions (after resection of tarsal coalitions)
  4. Painful flat foot
  5. Posterior tibial tendon dysfunction
  6. Paralytic flat foot
  7. Subtalar instability

Contraindications

• 1. Significant bone demineralization
  2. Inadequate neurovascular status
  3. Inadequate skin or musculotendious system
  4. Spastic foot
  5. Inadequate bone stock
  6. Psychologically unsuitable patient
  7. Active sepsis

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